| Portsmouth to Gorlice | 982.76 mi (1,581.61 km) |
| Portsmouth to Gorzow Wielkopolski | 709.48 mi (1,141.80 km) |
| Portsmouth to Gostyn | 782.65 mi (1,259.56 km) |
| Portsmouth to Gostynin | 885.83 mi (1,425.61 km) |
| Portsmouth to Grajewo | 1,010.40 mi (1,626.09 km) |
| Portsmouth to Grodek Nad Dunajcem | 962.25 mi (1,548.59 km) |
| Portsmouth to Grodzisk Mazowiecki | 935.86 mi (1,506.13 km) |
| Portsmouth to Grodzisk Wielkopolski | 754.97 mi (1,215.01 km) |
| Portsmouth to Grojec | 946.91 mi (1,523.91 km) |
| Portsmouth to Grudziadz | 858.43 mi (1,381.51 km) |
| Portsmouth to Gryfice | 718.09 mi (1,155.66 km) |
| Portsmouth to Gryfino | 681.81 mi (1,097.27 km) |
| Portsmouth to Gubin | 684.76 mi (1,102.02 km) |
| Portsmouth to Hajnowka | 1,057.90 mi (1,702.52 km) |
| Portsmouth to Hrubieszow | 1,084.96 mi (1,746.07 km) |
